The BX-718 uses a superior, heavy duty, locking system with double steel rails and dual spring-loaded pins on each leg for safe and secure height adjustments. Simply loosen lock screws, pinch together the spring-loaded pins, slide leg to one of four height positions, pins snap into place and then re-tighten lock screws.

Features:

Height positions(4): 18.5", 20.6", 22.3", 23.8"

Extra-padded 24 x 12 cushion reinforced with dual steel rails

300 lb weight capacity

Durable, textured vinyl seat covering

WARNING: This product contains a chemical known to the State of California to cause birth defects and other reproductive harm.

How would anyone be okay with selling a musical instrument or accessory that is toxic to a person's health and NOT put the warning on the box? I thought it was mandatory? The warning is found however on the BX718 website description, but absent from the labeling. What is the warning? "WARNING: This product contains a chemical known to the State of California to cause birth defects and other reproductive harm. " Lots of ways to sit at my keyboard without the risk of hurting my health. Like what? Reproductive harm could be demonstrated as painful periods, unexplained weight gain, depression, and just for men - prostate concerns - there goes your love life. Now you know why there are so many Viagra commercials.